3fb16c66470b081e97496bb5c11b1f62098d5f9043dd9014832989863921ae72

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
24/06/2024, 04:00

Target

3fb16c66470b081e97496bb5c11b1f62098d5f9043dd9014832989863921ae72.dll
Size

317KB
MD5

4f466fed6168acc232c9008c8fd63539
SHA1

f813c4268f6f85d4895528ada16949d2dd6a52f8
SHA256

3fb16c66470b081e97496bb5c11b1f62098d5f9043dd9014832989863921ae72
SHA512

ba023d7b80dc521d5953848e2987c53954dedf6b9a918b40ef5a33d4c4d80f660aae27674ee957ab265fc2304a5ed9f6102e6ae5eddb6295b77fe6ac63154a7c
SSDEEP

6144:T5v+4w3LWwgw0z1IjI8B+yiT47wEpqM1EtZOIV5QoSW:VvTeLjgw0hIjzks7JqmE/OIV5QoS

Score

7^/10

upx

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

resource	yara_rule
behavioral1/memory/2104-1-0x0000000010000000-0x0000000010111000-memory.dmp	upx
behavioral1/memory/2104-0-0x0000000010000000-0x0000000010111000-memory.dmp	upx
behavioral1/memory/2104-2-0x0000000010000000-0x0000000010111000-memory.dmp	upx
behavioral1/memory/2104-3-0x0000000010000000-0x0000000010111000-memory.dmp	upx

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\SX.dll	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2052 wrote to memory of 2104	2052	rundll32.exe	28
PID 2052 wrote to memory of 2104	2052	rundll32.exe	28
PID 2052 wrote to memory of 2104	2052	rundll32.exe	28
PID 2052 wrote to memory of 2104	2052	rundll32.exe	28
PID 2052 wrote to memory of 2104	2052	rundll32.exe	28
PID 2052 wrote to memory of 2104	2052	rundll32.exe	28
PID 2052 wrote to memory of 2104	2052	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3fb16c66470b081e97496bb5c11b1f62098d5f9043dd9014832989863921ae72.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2052
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\3fb16c66470b081e97496bb5c11b1f62098d5f9043dd9014832989863921ae72.dll,#1
  2⤵
  - Drops file in System32 directory
  - Suspicious use of SetWindowsHookEx
  PID:2104

memory/2104-1-0x0000000010000000-0x0000000010111000-memory.dmp

Filesize
1.1MB

Download
memory/2104-0-0x0000000010000000-0x0000000010111000-memory.dmp

Filesize
1.1MB

Download
memory/2104-2-0x0000000010000000-0x0000000010111000-memory.dmp

Filesize
1.1MB

Download
memory/2104-3-0x0000000010000000-0x0000000010111000-memory.dmp

Filesize
1.1MB

Download